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erma4kov [3.2K]
2 years ago
10

The mass of the nails and copper sulfate solution used in this investigation was 250g The mass of the copper and tran sulfate so

lution produced in this
nvestigation would be
250g
Chemistry
2 answers:
likoan [24]2 years ago
5 0
He it would because 250g is the answer is to 256g
Sati [7]2 years ago
3 0

Answer:

He it would because 250g is the answer is to 256g

Explanation:

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An unknown noble gas has a density of 5.84 g dm-3 at STP. Calculate its molar mass, and so identify the gas.
bagirrra123 [75]

The noble gas is Xenon and its molar mass is 131 g/mol.

<h3>What is the molar mass of the noble gas?</h3>

The molar mass of the noble gas is determined as follows;

Let molar mass of unknown gas be M, and mass of gas be m

Density of the noble gas, ρ = 5.8 g/dm³

density = m/V

At STP;

  • temperature, T = 273.15 K
  • pressure, P = 1 atm
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From ideal gas equation:

PV = nRT

where n = m/M

PV = mRT/M

M = mRT/PV

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The noble gas is Xenon which has molar mass approximately equal to 131 g/mol.

Learn more about molar mass at: brainly.com/question/837939

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